The Chemistry Place Chemistry Science Projects Encyclopedia: Chemistry Interactive Periodic Table Encyclopedia: Compounds and Elements Encyclopedia: Organic…
ACCURATE TIMEKEEPINGBIOGRAPHY: ALBERT EINSTEIN German, 1879–1955FIND OUT MOREEinstein realized that the speed of light is always the same. He then calculated that an object travelling near this…
MacroevolutionMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution Whereas microevolution explains diversification on an individual level over relatively short…
A Quantum Leap into Quantum MechanicsChemistryThe Modern AtomBohr: What Is It Good For?Spectroscopy: Reading Between the LinesA Quantum Leap into Quantum Mechanics Unfortunately for Bohr, his…
Saint Aidan The founder of a great center of Celtic Christianity by Ann-Marie Imbornoni St. Aidan (died 651) According to the historian Bede, Aidan was an Irish monk on the island of Iona when…
Source: National Institute of Standards and Technology Physics Laboratory Celestial bodies—the sun, moon, planets, and stars > have provided us a reference for measuring the passage of time…
THE GALILEAN MOONSJUPITER’S ATMOSPHEREJUPITER’S LIGHTSFIND OUT MOREJupiter is the biggest planet in our Solar System, eleven times bigger in diameter than Earth and two and a half times more…
BLUE PLANETNEPTUNE’S RINGSTRITON’S GEYSERSFIND OUT MOREAlmost the same size and colour as Uranus, Neptune orbits about 1.6 billion km (1.0 billion miles) further from the Sun than Uranus.…
ICE WORLDPLUTO’S ORBITPLUTO AND CHARONBIOGRAPHY: CLYDE TOMBAUGH American, 1906-1997FIND OUT MOREEven smaller than our Moon, Pluto is by far the smallest planet. It was the last planet to be…
THE RINGS OF URANUSBLAND ATMOSPHERETHE BIG FIVEBIOGRAPHY: WILLIAM HERSCHEL German, 1738-1822FIND OUT MOREEnglish astronomer William Herschel discovered Uranus in 1781. It was the first planet…